Add Yahoo as a preferred source to see more of our stories on Google. Workers in China have set a new record by completing the task of building the world's largest-diameter underwater shield tunnel.

Spain has begun investigating the possibility of connecting Europe to Africa via an underwater tunnel to Morocco. On Saturday, the Spanish government allocated €1.6 million (roughly $1.7 million) to a ...

A recent study has confirmed that the underwater tunnel project linking Morocco and Spain is technically feasible, with the first phase expected to take between six and nine years and total costs ...

Tom has a Master's degree in Journalism. His editorial work covers anything from archaeology and the environment to technology and culture. Tom has a Master's degree in Journalism. His editorial work ...

Construction on what will become the world’s longest-ever underwater road and rail tunnel commenced on June 17. When it opens in 2029, the 11.1-mile (18-kilometer-long) “Fehmarnbelt Fixed Link” will ...

Before you can build a new roadway, you've got to grade the gravel bed that will serve as its foundation to within a one-inch margin of error. But that standard ...